** complete copyright information.
*/
-#include <h/mh.h>
-#include <h/signals.h>
-
/*
-** static prototypes
-*/
-static int m_chkids(void);
+ * This function used to support setuid/setgid programs by writing
+ * the file as the user. But that code, m_chkids(), was removed
+ * because there no longer are setuid/setgid programs in nmh.
+ */
+#include <sysexits.h>
+#include <h/mh.h>
+#include <h/signals.h>
void
-context_save (void)
+context_save(void)
{
- int action;
- register struct node *np;
+ struct node *np;
FILE *out;
sigset_t set, oset;
return;
ctxflags &= ~CTXMOD;
- if ((action = m_chkids ()) > 0)
- return; /* child did it for us */
-
/* block a few signals */
- sigemptyset (&set);
- sigaddset (&set, SIGHUP);
- sigaddset (&set, SIGINT);
- sigaddset (&set, SIGQUIT);
- sigaddset (&set, SIGTERM);
- SIGPROCMASK (SIG_BLOCK, &set, &oset);
-
- if (!(out = lkfopen (ctxpath, "w")))
- adios (ctxpath, "unable to write");
+ sigemptyset(&set);
+ sigaddset(&set, SIGHUP);
+ sigaddset(&set, SIGINT);
+ sigaddset(&set, SIGQUIT);
+ sigaddset(&set, SIGTERM);
+ sigprocmask(SIG_BLOCK, &set, &oset);
+
+ if (!(out = lkfopen(ctxpath, "w")))
+ adios(EX_IOERR, ctxpath, "unable to write");
for (np = m_defs; np; np = np->n_next)
if (np->n_context)
- fprintf (out, "%s: %s\n", np->n_name, np->n_field);
- lkfclose (out, ctxpath);
-
- SIGPROCMASK (SIG_SETMASK, &oset, &set); /* reset the signal mask */
-
- if (action == 0)
- _exit (0); /* we are child, time to die */
-}
-
-/*
-** This hack brought to you so we can handle set[ug]id MH programs.
-** If we return -1, then no fork is made, we update .mh_profile
-** normally, and return to the caller normally. If we return 0,
-** then the child is executing, .mh_profile is modified after
-** we set our [ug]ids to the norm. If we return > 0, then the
-** parent is executed and .mh_profile has already be modified.
-** We can just return to the caller immediately.
-*/
-
-static int
-m_chkids (void)
-{
- int i;
- pid_t pid;
-
- if (getuid () == geteuid ())
- return (-1);
-
- for (i = 0; (pid = fork ()) == -1 && i < 5; i++)
- sleep (5);
-
- switch (pid) {
- case -1:
- break;
-
- case 0:
- setgid (getgid ());
- setuid (getuid ());
- break;
-
- default:
- pidwait (pid, -1);
- break;
- }
+ fprintf(out, "%s: %s\n", np->n_name, np->n_field);
+ lkfclose(out, ctxpath);
- return pid;
+ sigprocmask(SIG_SETMASK, &oset, &set); /* reset the signal mask */
}